Gaya APA

Varney, G, H. (1989). building productive teams; an actionguide and resource book (1). California-USA: Jossey-Bass Publishers.

Gaya MLA

Varney, Glenn, H.. "building productive teams; an actionguide and resource book". 1 California-USA: Jossey-Bass Publishers, 1989. Kesehatan Masyarakat.